Quick answers
- Which hospitals does Gilberto Marquez work at?
- Medicare's official clinician data lists Gilberto Marquez at 1 hospital: Waukesha Memorial Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Gilberto Marquez see patients?
- Medicare's clinician data lists 3 practice locations, including Waukesha, WI, Hales Corners, WI and Muskego, WI. Call before your visit to confirm the address.
- What is Gilberto Marquez's specialty?
- Medicare lists Internal Medicine as the primary specialty.
- Does Gilberto Marquez accept Medicare assignment?
- Yes. Medicare's clinician data says Gilberto Marquez accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- What is the phone number for Gilberto Marquez?
- (651) 631-6570, as listed in official Medicare / NPI Registry data.
- What is Gilberto Marquez's NPI number?
- 1689626731. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Gilberto Marquez works
Medicare's Facility Affiliation Data lists Gilberto Marquez at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Waukesha Memorial HospitalWaukesha, WI · Acute Care Hospital · CCN 520008
Practice locations
Addresses where Gilberto Marquez is enrolled with Medicare (CMS data updated 2026-10-02).
- 222 Park PlWaukesha, WI 53186 (651) 631‑6570
- 5301 S 108th StHales Corners, WI 53130 (419) 221‑6717
- S69W15472 Janesville RdMuskego, WI 53150 (262) 928‑7000
Group practices
Medicare enrollment lists Gilberto Marquez as a member of these groups (CMS data updated 2026-10-02).
- Prohealth Medical Group Inc479 clinicians in the group
- Advantage Physical Therapy and Sports Rehab, LLC294 clinicians in the group
- Presbyterian Homes of Wisconsin Inc35 clinicians in the group
Specialties
- Internal Medicineprimary
Other internal medicine doctors in Waukesha
Clinicians with the same Medicare primary specialty in Waukesha, WI — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Illinois College Of Med (chi/peor/rock/chm-Urb) |
| Graduation year | 2003 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1689626731 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians